Fishing tool



June 1930- H. A YOUNG 1 62 FISHING- TOOL Filed Fb. 15, 1928 I 2Sheets-Sheet 1 '1 76 v mybun M I I l I INVENTOR 4 ATTORN EY June 3,1930. v H, YOUNG 1,352,00

FISHING TooL Filed Feb. 15, 1928 2 Sheets-Sheet 2' 4 I Jr J54. 72am;

INVENTOR ATTORNEY UNITED, STA'T-E SQPATENT OFFICE: a

-riAnni Asonn dosoeoss rL A ins,"mssn isff V FISHING 'rooL' e V [i l l ip iication ifi leidit ebi nai'yil lws 'is.eria1. 1 i .-51,066; I

"This. invention relates} to" fishing ztoqls" p1 i engaged therewith. idisk member l2,' c lsmarily'ad'apted for recovering broken (113111 ingthebore'ofthe housing 10, is provided bits, underreamen ilugs' or ciittersg jajr 'el ns with a multiplicity oi-rectangular shaped and etc.openings 13 and a central cylindrical 0p 7 A11 object oftheinventionicomp fehends-' ing 14 commnnicatingtwith'an"upstanding 55 amultiplicity ofgripping elements; sleeve 15. Ashaft 16 having itsuppermost c i Anothenobject .ofthe inventioni' contemend' 'threadedlyengaged with thetapered plates means adapted'toexpandthe gripping'pin'llg is extendedidownwardly.tlnoughjthe elements when"the'device iscalledihto use. housing 'and through-theopening'lt and v A furtherobject of'th e invention embodies sleeve Aikey 17, c'arriedgby thedisk12 60' a flexible mounting for the gripping el eisprojectedwithin,the'centi'alzopening ments. f is'ada'p'tedfor; receptionwithin a keyway Ari-additional objectof thejinyention conslot 18in theshafti16. sists of twisted shanks for the gripping ele- A disk member19, horizontally disposed 15 ments adapted 'to turn thelatter toward'its within the housing 10, 'is-infaddition pro- (3 work when the: toolis called into Ilse. V vided with a depending sleeve 20 having the Morespecificallyfstated; the gripping ele- -boi'e thereofj disposed foralignment with ments are provided with penetrating porthat of the bore1411f the sleeve l5'to receive tions adapted for biting engagement withthe shaftfl6the'yethrough; stopcollan 21, the work when the gtippingvelementsf a 'e carried by the shaft 167,1 3isfadaptedjfto seat twisted.the'lower end of the dependingsleeve20 of 1 "Frequentlmfan attempt to di'ill np'io side the disk member l9. f 7 i track loose pieces'of steelcause breakage of A compression"jspring '22 encircling {the other toolsand finally plug'wells that may shaft 16 isinterposed'betweentheunderside have: been near the pay 'andicostthousands of thetapei-ed;pinf1landithe'uppe fside of {Inthe drawingszfof dollars to dri'11."- Y "lithe disk memb'et l within the housing mem;

With the above and otherobject s in'w'iew,- be1f} 10 to normally'reposethe disk membei .7

- the'invent ion-filrthe consists of the 'follow 1'9'Vin1thepositioni'as best illustfatedin' 1aig-; i

' ing'noi'el features and details o fi construcn re 3 ofthednawings; j71. i o p -5011, to be hereinafter morefullywdesciibed; Q :Rodmembefs235pf rectangnlar'fcross sec- 0,:

il'lustrated in the. accompanying d awings "tion, are adapted zforreceptionwithin01 m:

"and pointed out in'the appended claims, ings 1-3 in; thej'disk me er12. The npper;

' r most ends-oi. said crodsareadapted fo -J Figure leis "an, elevationof the invento'n; swive connection withtheyd sk b 19 V i YFiglire2is afragmentaryelevationshow- 1' andFfo'r' thi -reason, the housingl0fisq'pro- 5 i 1 upon the upper end thereof, threadedly ingfthegripping elements shifted? to an i n yided with slotted f'po'rtions'orportions' e V p 'itial p he' i e i rk me d indicated @1 2 through. whictherebetweem l 1 i accessvmay belied through the connecting 1. 1' I aFigure 3J-is1alongitudinal section endsof the.rodmembers' with the disk:f; 1'

;ta'ken"thiough'the invention. "Qber l9, Said rods'iare twisted uponthem- 3 1 I Fignres', 5 andG are sectional views tak- 1 selyes toimpart; lateralshiifting movement j en on 1ine's'- Lf*-4, 5.5 "andfifirespectivelyto g1 ipping elements 25, cairiedfuponfthefthronghfF-igure ii of the drawings; yr; lowermost ends of the rod i23the latter ."4Fi'g.ure'7 is aperspective;viewo. jagripe;are"r'eciproeated-within th 'housing ii i ping element andshankthere forf Asji'llustlatedinp Figure 3*ofIthe1draW'- ;-Referringtothe fdrawings in detail;wher -gin the-lowermo t, hd ffth 'sh ftg16 f llinflike characte'fs ofrefei ence'denote c ojfre-rf'shortof-extendingthejlengthofthefools23 v V *spondingfparts,thereference; character 10 thepnrpos'eeofwhich will'bepiesentIyjindicates-a housingfhavingatapered pin parent. s

f Penetratingpoitions o'i'i'teeth pi'ojected i and curved horizontallyof the gripping elements 25, are adapted for biting engagement upon itswork in the manner which will be presently apparent.

1 In the use and operation of the invention, the tapered pin 11, as usedon cable fishing tools, is connected to balance of fishing string(usually consisting of rope socket,

stemand jars) and the tool lower-ed within the well or well chamber.

W'hen initially lowered, within the well tubing or casing the diskmember 12 is 7 moved upwardly upon the shaft member 1 6 to occupy theFigureg'position or nearly so commensurate with the'size o'r shape ofthe broken .tool to be grasped and removed;

Theent'ire fishing string and tooli's then ,lowered and dropped withgreat velocity "the openings in the diskmember 12thr'ough which the sameare slided. Consequently the rods in and of themselves will twist andcause biting engagement of the penetrating elements with the brokendrill bit. The disk 12' it will prevent retrograde movement 'of the rodseven against the tension of said spring whereby-the fishing string,fishing well maybe extracted as a unit.

tool, and, that which is recovered from the Such movement being effectedthrough contact of the grippingelements engaging the broken drill bitwhen lowered within the well.

Up'on upward.movement-10f the tool, the spring 22 will flex and compressthe disk member 19 whereby-the gripping elements 25 will twist and shiftthe teeth26 to occupy the dotted line positions best illustrated inFigure 6 of thehdrawingse The teeth or penetrating elements 126areiadapted for biting engagement with the (broken tool fto preventdisplacement or lossof the latter while being withdrawn fromthewelh The.invention 1s susceptible of various Ha i changes inits liorni,proportions and minor fdetailsof constructiomand the right is here inreserved to makefsuchchanges as prop- 'erl vfall within the scope- 0fthe appended i eim w I H y 7 described the invention, what is claimedis:-

1. A [fishing providedwit-h a sucker rod attachment upon one end-,ashaft having connection with the r sucker rod attachment being extendedfrom the opposite endof the housing, disks slid-' 1 ably 'mo1;inted uponth e shaft member, a

corn ression s rin encirclin the shaft and interposed between the'suckerr0d -attac hment and the A acent' disk member," 'rodstool comprising ahousing twisted upon themselves being extended through openings in theremaining disk corresponding in shape to the cross sections thereof, theinnermost ends of said rods having swivel connection with the firstmentioned disk, and gripping elements carried upon the outermost endsofthe rods,

2. A fishing tool comprising a housing provided with a sucker rodattachment upon one end, a shaft having rigid connection with the suckerrod attachment and extended through the opposed end of the sensin diskmembers slidably mounted upon the shaft within and without the housing,rods carried upon theinnermost of the vdisks and projected through theoutermost disk, and gripping elements carried s am the outermost ends of"the rods for simultaneous rotary and reci rocating actionwith saidrods. I

3.'Afishing tool comprising a housing provided with a suckerIrodattachinentupon one'end, a shaft having rigid connection withthesucker rod attachment and extended foran appreciable portion of its-*length through the opposed end of the housing, disk members slidablymounted upon said shaft within and withoutthe housing, rods extendedthrough both of the disks, gripping elements carried upon the outermostends of the rods for simultaneous rotary and reciprocating movementt-herewith, and a compression spring encirclingsaid shaft forcontacting-engagement at its ends with the suckerfred attachment andinnermost disk respectively. p r

4. A fishing tool comprising a housing provided witha sucker rodattachment" upon one end, a shaft having rigidfconnection with thesucker rod attachment and extend ed for an appreciable portion of 'it-slength through the opposed end of the housing,

1 disk members slidably moun ted upon the shaft withinand withoutthehousing respectively, rods lpiojectingthr'ough each 'of, the disks,ga'ipp-ingelements carried upon the outermost ends of the ro ds forsimultaneous rotary and reciprocating movement therewith, a compressionspring encircling said shaft and interposed bet-ween the sucker rodattachment and innermost ofthe disks,

and enetrating elements carried by the gripping elements. p

:5. fishing tool comprising a housing provided with aisulcker rodattachment upon 1 one end, a shaft hav ng r1g'1d connection with thesucker rodaattachmrht being extended for an appreciable portion of itslength from theopposed end of thehousing,

disks slidably mounted upon a the shaft withan and without the housingrespectively,

rods havin gr swivel and frictional engagement w th the inner androuter; disks respectively, sa d rods beingv twisted upon themselvesbeyond the "innermost disk and.

"extended through the outer n iost disk,' grip ping elements carriedupon the outermost ends of'the rods, a Compression spring encircling theshaft between the sucker rod atttachment and innermost disk, andpenetrating portions laterally projected from the gripping elements forbiting engagement with the Work. I v t In testimony whereof I a-fiix mysignature.

' HARRY A. YOUNG.

